[INFO] fetching crate cpython 0.7.1...
[INFO] checking cpython-0.7.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate cpython 0.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cpython 0.7.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpython 0.7.1
[INFO] finished tweaking crates.io crate cpython 0.7.1
[INFO] tweaked toml for crates.io crate cpython 0.7.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cpython 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded python27-sys v0.7.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded python3-sys v0.7.1
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0d55b5b657a60369b215bd0795b1686a3c25485a500e18271d30ce3a3186426
[INFO] running `Command { std: "docker" "start" "-a" "e0d55b5b657a60369b215bd0795b1686a3c25485a500e18271d30ce3a3186426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d55b5b657a60369b215bd0795b1686a3c25485a500e18271d30ce3a3186426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d55b5b657a60369b215bd0795b1686a3c25485a500e18271d30ce3a3186426", kill_on_drop: false }`
[INFO] [stdout] e0d55b5b657a60369b215bd0795b1686a3c25485a500e18271d30ce3a3186426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976ba047acfd6fff834da9631515b97c42de6a6c84fd1594e5753a7f4193a6b7
[INFO] running `Command { std: "docker" "start" "-a" "976ba047acfd6fff834da9631515b97c42de6a6c84fd1594e5753a7f4193a6b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cpython v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling python3-sys v0.7.1
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> tests/test_function.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         drop(py); // avoid unused variable warning
[INFO] [stdout]     |         ^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Python<'_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> tests/test_function.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         drop(py);
[INFO] [stdout]     |         ^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Python<'_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "976ba047acfd6fff834da9631515b97c42de6a6c84fd1594e5753a7f4193a6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976ba047acfd6fff834da9631515b97c42de6a6c84fd1594e5753a7f4193a6b7", kill_on_drop: false }`
[INFO] [stdout] 976ba047acfd6fff834da9631515b97c42de6a6c84fd1594e5753a7f4193a6b7
